<html>
<head>
    <title>App Name - @yield('title')</title>
    <link rel="stylesheet" href="css/style.css">
</head>
<body>
@section('sidebar')
    This is the master sidebar.
@show
<a href="about.html">111</a>
<a href="../test2/about2.html">22222</a>
<a href="page/page1.html">page1</a>
<div class="container">
    <img src="images/fly.png" alt="">
    @yield('content')
</div>
</body>
</html>